package com.mk.config;

//import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.List;
// webmvc配置器
@Slf4j
@Configuration
@EnableSwagger2
//@EnableKnife4j
public class WebMvcConfig extends WebMvcConfigurationSupport {

    /**
     * 设置静态资源映射
     * @param registry
     */
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("开始进行静态资源映射...");
        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");
//        registry.addResourceHandler("doc.html").addResourceLocations("classpath:/META-INF/resources/");
//        registry.addResourceHandler("webjars/**").addResourceLocations("classpath:/MATA-INF/resources/webjars/");
    }
    /**
     * 扩展mvc框架的消息转换器
     * @param converters
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器...");
        //创建消息转换器对象
        MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
        //设置对象转换器，底层使用Jackson将Java对象转为json
        messageConverter.setObjectMapper(new JacksonObjectMapper());
        //将上面的消息转换器对象追加到mvc框架的转换器集合中
        converters.add(0,messageConverter);
    }

    @Override
    protected void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(new LoginCheckInterceptor())
                .addPathPatterns("/**")
                .excludePathPatterns(
                        "/employee/login",
                        "/employee/logout",
                        "/backend/**",
                        "/front/**",
                        "/user/login",
                        "/user/loginout",
                        "/user/sendMsg",
                        "/doc.html",
                        "/swagger-ui.html",
                        "/webjars/**",
                        "/swagger-resource",
                        "/v2/**");
    }

    @Bean
    public Docket docket(){
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.mk.controller"))
                .paths(PathSelectors.any())
                .build();
    }
    public ApiInfo apiInfo(){
        return new ApiInfoBuilder()
                .title("瑞吉外卖")
                .description("瑞吉外卖接口文档")
                .version("V3.0.1")
                .build();
    }

}
